Title:
HIGH PERFORMANCE ADSL LINE CONDITIONER SYSTEM AND METHOD
Document Type and Number:
WIPO Patent Application WO2007078570
Kind Code:
A9
Abstract:
A DSL line conditioner achieves high performance sufficient to simultaneously support video, voice and data signals on standard telephone twisted pair lines (102, 104, 106, 108) over substantially greater distances than are currently available. The line conditioner (100) automatically adjusts and sets the upstream preamplifier (112) and downstream preamplifier (122) gains and attenuations according to the actual degradation imposed upon the upstream and downstream signals by the twisted pair line in which the line conditioner is used. The line conditioner achieves high performance by optimizing the signal-to-noise ratio and signal quality of DSL signals, and has a low power budget that enables it to operate by deriving power from the twisted pair lines over which it is used.
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Inventors:
LARZABAL LUIS R A (US)
PONGANIS EDWARD P (US)
PONGANIS EDWARD P (US)
Application Number:
PCT/US2006/046772
Publication Date:
September 25, 2008
Filing Date:
December 07, 2006
Export Citation:
Assignee:
PHYLOGY INC (US)
LARZABAL LUIS R A (US)
PONGANIS EDWARD P (US)
LARZABAL LUIS R A (US)
PONGANIS EDWARD P (US)
International Classes:
H04M1/00
Download PDF:
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